Computer Knowledge

Computer Networks

2,614 Questions

Computer networks involve the architecture, protocols, and security measures used for digital communication. This collection covers OSI model layers, IP addressing, data transmission, and cryptographic standards. These concepts are vital for the computer knowledge sections of banking and government exams.

OSI model layersNetwork protocolsIP subnet maskingData encryption standardsServer configurationsNetwork commands

Computer Networks Questions

Multiple choice

OSI layer 7 is also referred to as:

  1. Application layer

  2. Session layer

  3. Presentation layer

  4. Transport layer
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Layer 7 is the application layer, which provides network services directly to user applications.

Multiple choice

Layer 6 of the OSI model is also known as:

  1. Application layer

  2. Presentation layer

  3. Session layer

  4. Transport layer
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Layer 6 of the OSI model is the presentation layer, which handles data formatting, compression, and encryption.

Multiple choice

Physical layer of the OSI model is also referred to as:

  1. Layer 2

  2. Layer 7

  3. Layer 1

  4. Layer 4
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The OSI model consists of seven layers, with the Physical layer being the first layer. It is responsible for the transmission and reception of raw bit streams over a physical medium.

Multiple choice

The Open Systems Interconnection (OSI) model consists of:

  1. 7 layers

  2. 3 layers

  3. 9 layers

  4. 5 layers
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The OSI (Open Systems Interconnection) model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven distinct layers.

Multiple choice

In which OSI layer does routing occur?

  1. Physical

  2. Network

  3. Data Link

  4. Transport
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Network layer (Layer 3) is responsible for logical addressing and routing, which determines the best path for data packets to travel across interconnected networks.